Let alpha,beta be the roots of the equa...

Let `alpha,beta` be the roots of the equation `x^(2)-px+r=0` and `(alpha)/(2),2beta` be the roots of the equation `x^(2)-qx+r=0` then the value of r is

`2/9(p-q)(2q-p)`

`2/9(q-p)(2p-q)`

`2/9(q-2p)(2q-p)`

`2/9(2p-q)(2q-p)`

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